The Allen-Bradley Bulletin 140MG series consists of protection circuit breakers for motors. These breakers are intended for efficient short-circuit and overload protection. These breakers also provide precise control for the connected motor while ensuring reliable protection for industrial applications. They are small, with high interrupting capacities and adjustable trip settings that allow them to fit into any automation system. The Bulletin 140MG series improves equipment safety and system reliability by preventing motor damage and reducing downtime.
Browse available units in our catalog of Bulletin 140MG.
This motor circuit protector operates with a magnetic-only protection mechanism and has an interrupting rating of 65 KAIC at 480 V AC. It has a fixed magnetic trip unit and an adjustable cam setting,
This device includes three poles and can handle a rated permanent current of 30 A. It operates with a rated impulse withstand voltage of 8 kV, ensuring it can endure electrical surges. It has auxiliar
Engineered for safety, the 140MG-H8E-D10 has a three-pole configuration and supports an impulse withstand voltage of 8 kV. The breaker utilizes a toggle mechanism for operation and is connected throug
This device operates with three poles and features an adjustable magnetic protection mechanism. It supports instantaneous trip settings from 3 to 125 amperes. The rated insulation voltage stands at 80
Designed for 3-phase systems, this device has three poles to ensure effective circuit protection. With a breaking capacity of 65 kA, it provides robust safety against overloads. The protector is equip
This motor circuit protector is based on a G frame design and has a rated operational current of 30 A. It operates with three poles and offers magnetic-only protection. The breaking capacity varies be
This circuit breaker is configured with three poles and operates within three-phase systems. It has a G frame size and provides a magnetic-only protection mechanism. The adjustable trip unit allows cu
This circuit protector is structured in a J-frame size and consists of three poles, ensuring reliable operation for various motor applications. It supports a motor power rating of up to 50 horsepower
This motor circuit protector operates at rated voltages of 600 V and is specifically designed for three-phase systems with three poles. It features magnetic-only protection and an interrupting capacit
This device operates on three phases and consists of three poles, making it compatible with a range of motor circuits. The protector utilizes magnetic trip protection for reliable performance and boas